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From: Miquel Raynal <miquel.raynal@bootlin.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 1/4 v2] spi: spi-mem: Use 2 SPI messages instead of a single full-duplex one
Date: Wed, 8 Aug 2018 11:58:45 +0200	[thread overview]
Message-ID: <20180808115845.5434959b@xps13> (raw)
In-Reply-To: <20180807152802.0a3d1332@bbrezillon>

Hi Stefan,

Minor typo if you decide to send a v3.

Boris Brezillon <boris.brezillon@bootlin.com> wrote on Tue, 7 Aug 2018
15:28:02 +0200:

> On Tue,  7 Aug 2018 14:16:52 +0200
> Stefan Roese <sr@denx.de> wrote:
> 
> > Some SPI controller do not support full-duplex SPI transfers. This patch
> > changes the SPI transfer into 2 separate transfers - or 1, if no data is
> > to transmitted.

      ^ be ?

> > 
> > With this change, no buffers need to be allocated anymore. We use the
> > TX and RX buffers that are passed to spi_mem_exec_op() directly.
> > 
> > Signed-off-by: Stefan Roese <sr@denx.de>
> > Suggested-by: Boris Brezillon <boris.brezillon@bootlin.com>
> > Cc: Miquel Raynal <miquel.raynal@bootlin.com>
> > Cc: Boris Brezillon <boris.brezillon@bootlin.com>
> > Cc: Jagan Teki <jagan@openedev.com>  
> 

Thanks,
Miquèl

  parent reply	other threads:[~2018-08-08  9:58 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-07 12:16 [U-Boot] [PATCH 1/4 v2] spi: spi-mem: Use 2 SPI messages instead of a single full-duplex one Stefan Roese
2018-08-07 12:16 ` [U-Boot] [PATCH 2/4 v2] cmd: mtd: Don't abort erase operation when a bad block is detected Stefan Roese
2018-08-07 13:05   ` Boris Brezillon
2018-08-07 12:16 ` [U-Boot] [PATCH 3/4 v2] cmd: mtd: Don't use with negative return codes for shell commands Stefan Roese
2018-08-07 13:29   ` Boris Brezillon
2018-08-07 12:16 ` [U-Boot] [PATCH 4/4 v2] cmd: mtd: Add info text to mtd erase subcommand Stefan Roese
2018-08-07 13:32   ` Boris Brezillon
2018-08-07 13:38     ` Stefan Roese
2018-08-07 13:28 ` [U-Boot] [PATCH 1/4 v2] spi: spi-mem: Use 2 SPI messages instead of a single full-duplex one Boris Brezillon
2018-08-08  8:56   ` Miquel Raynal
2018-08-09  5:24     ` Stefan Roese
2018-08-09  8:13       ` Miquel Raynal
2018-08-09  9:10         ` Stefan Roese
2018-08-09 14:50           ` Miquel Raynal
2018-08-09 14:53             ` Stefan Roese
2018-08-08  9:58   ` Miquel Raynal [this message]
2018-08-09  5:25     ` Stefan Roese

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